qubithubqaoa-mixer

QAOA with configurable mixer unitaries for combinatorial optimization. The standard X-mixer explores all bitstrings for unconstrained problems (MaxCut, Max-SAT), while the XY-mixer preserves Hamming weight for constrained problems (TSP, portfolio selection with cardinality bounds). Implements cost layer via ZZ decomposition (CNOT-RZ-CNOT) and supports p-layer depth scaling.

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Framework: Cirq
Qubits: 4
Depth: 8
Gate set: H, RX, RZZ +1
Licence: Not specified
Version: v1
Updated: 3 days ago
Last run: 3 months ago

5 of 8 runs

Status	Backend	Shots	Wall time
Completed	Simulator cirq.simulator	1024	25.7 s
Completed	Simulator cirq.simulator	1024	23.1 s
Completed	Simulator cirq.simulator	1024	21.3 s
Completed	Simulator cirq.simulator	1024	20.5 s
Completed	Simulator qiskit_aer	1024	24.3 s

All 8 runs

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Suggested citation

@software{qubithub_qaoamixer_2026,
  author = {QubitHub Circuits},
  title = {QAOA Mixer Ansatz},
  year = {2026},
  version = {v1},
  url = {https://qubithub.co/qubithub/qaoa-mixer},
}

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Runs

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Suggested citation